%0 Journal Article %A N. Ankeny %A S Chowla %T A further note on the class number of real quadratic fields %J Acta Arithmetica %D 1961 %P 271-272 %V 7 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-7-3-271-272/ %R 10.4064/aa-7-3-271-272 %G en %F 10_4064_aa_7_3_271_272